Yuji Iwahori Takashi Nakagawa Robert J. Woodham Shinji Fukui Haruki Kawanaka Shape from self-calibration and Fast Marching Method. 1-4 2008 ICPR http://dx.doi.org/10.1109/ICPR.2008.4761511 conf/icpr/2008 db/conf/icpr/icpr2008.html#IwahoriNWFK08